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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2017
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
| Quarter Ended September 30, |  | Nine Months Ended September 30,
(Dollars in millions, except per share amounts; shares in millions) | 2017 |  | 2016 |  | 2017 |  | 2016
Net income attributable to common shareowners: |  |  |  |  |  |  |
Net income from continuing operations | $ | 1,330 |  |  | $ | 1,443 |  |  | $ | 4,155 |  |  | $ | 4,041 |
Income from discontinued operations | — |  |  | 37 |  |  | — |  |  | 1 |
Net income attributable to common shareowners | $ | 1,330 |  |  | $ | 1,480 |  |  | $ | 4,155 |  |  | $ | 4,042 |
Basic weighted average number of shares outstanding | 788.3 |  |  | 822.4 |  |  | 790.3 |  |  | 824.0 |
Stock awards and equity units | 8.8 |  |  | 8.8 |  |  | 9.1 |  |  | 7.8 |
Diluted weighted average number of shares outstanding | 797.1 |  |  | 831.2 |  |  | 799.4 |  |  | 831.8 |
Earnings Per Share of Common Stock - Basic: |  |  |  |  |  |  |
Net income from continuing operations | $ | 1.69 |  |  | $ | 1.76 |  |  | $ | 5.26 |  |  | $ | 4.90 |
Income from discontinued operations | — |  |  | 0.04 |  |  | — |  |  | — |
Net income attributable to common shareowners | 1.69 |  |  | 1.80 |  |  | 5.26 |  |  | 4.91 |
Earnings Per Share of Common Stock - Diluted: |  |  |  |  |  |  |
Net income from continuing operations | $ | 1.67 |  |  | $ | 1.74 |  |  | $ | 5.20 |  |  | $ | 4.86 |
Income from discontinued operations | — |  |  | 0.04 |  |  | — |  |  | — |
Net income attributable to common shareowners | 1.67 |  |  | 1.78 |  |  | 5.20 |  |  | 4.86 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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